Dina Temple-Raston

Life changed as Sadiik Yusuf knew it about two years ago, when the FBI appeared at his front door in Minneapolis to tell him his son Abdullahi had been stopped at the airport, suspected of trying to board a flight that would take him to Syria to fight with ISIS.

Danny Nolan was the first man to swing a wrecking ball in Manhattan in 25 years. Wrecking balls hadn't been allowed on the island for a very simple reason: The buildings are much too close together to allow a huge ball to swing back and forth.

An exception was made for Nolan because he, and the other construction workers of the International Union of Operating Engineers Local 14, were "working the pile" — hauling away what was left in the World Trade Center towers after the Sept. 11 attacks.

The man who fatally shot five police officers in Dallas may have had plans for a wider attack, the city's police chief said Sunday. Dallas Police Chief David Brown provided new details about the tense two-hour standoff that police had with the gunman before he was killed.

"We're convinced that this suspect had other plans," Brown told CNN, adding that the shooter "thought that what he was doing was righteous and believed that he was going to target law enforcement and make us pay for what he sees as law enforcement's efforts to punish people of color."

NPR has obtained what investigators believe could be the Dallas gunman's manifesto. It appeared underneath a photo of the man on social media. And for more on that, we turn to NPR's Dina Temple-Raston. Hi, Dina.

Local jihadists first began disappearing from Russia and the North Caucasus region just months before the opening ceremonies for the 2014 Sochi Winter Olympics. In some cases, human rights groups say, Russian security forces tracked the militants down and dumped their bodies on the side of the road as a warning.

Police in Orlando Florida say 50 people were killed when a gunman began shooting in a popular nightclub. When he took hostages, that's when the SWAT team went in. The gunman was killed, but not before perpetrating the deadliest mass shooting in U.S. history.